[HTML][HTML] Structural ensembles of disordered proteins from hierarchical chain growth and simulation

LM Pietrek, LS Stelzl, G Hummer - Current opinion in structural biology, 2023 - Elsevier
Disordered proteins and nucleic acids play key roles in cellular function and disease. Here,
we review recent advances in the computational exploration of the conformational dynamics …

Global structure of the intrinsically disordered protein tau emerges from its local structure

LS Stelzl, LM Pietrek, A Holla, J Oroz, M Sikora… - Jacs Au, 2022 - ACS Publications
The paradigmatic disordered protein tau plays an important role in neuronal function and
neurodegenerative diseases. To disentangle the factors controlling the balance between …

Molecular dynamics simulations combined with nuclear magnetic resonance and/or small-angle X-ray scattering data for characterizing intrinsically disordered protein …

M Chan-Yao-Chong, D Durand… - Journal of Chemical …, 2019 - ACS Publications
The concept of intrinsically disordered proteins (IDPs) has emerged relatively slowly, but
over the past 20 years, it has become an intense research area in structural biology. Indeed …

The structure of pathogenic huntingtin exon 1 defines the bases of its aggregation propensity

CA Elena-Real, A Sagar, A Urbanek… - Nature structural & …, 2023 - nature.com
Huntington's disease is a neurodegenerative disorder caused by a CAG expansion in the
first exon of the HTT gene, resulting in an extended polyglutamine (poly-Q) tract in huntingtin …

Conformational buffering underlies functional selection in intrinsically disordered protein regions

NS Gonzalez-Foutel, J Glavina… - Nature structural & …, 2022 - nature.com
Many disordered proteins conserve essential functions in the face of extensive sequence
variation, making it challenging to identify the mechanisms responsible for functional …

IDPConformerGenerator: a flexible software suite for sampling the conformational space of disordered protein states

JMC Teixeira, ZH Liu, A Namini, J Li… - The Journal of …, 2022 - ACS Publications
The power of structural information for informing biological mechanisms is clear for stable
folded macromolecules, but similar structure–function insight is more difficult to obtain for …

Flanking regions determine the structure of the poly-glutamine in huntingtin through mechanisms common among glutamine-rich human proteins

A Urbanek, M Popovic, A Morató, A Estaña… - Structure, 2020 - cell.com
The causative agent of Huntington's disease, the poly-Q homo-repeat in the N-terminal
region of huntingtin (httex1), is flanked by a 17-residue-long fragment (N17) and a proline …

Hierarchical ensembles of intrinsically disordered proteins at atomic resolution in molecular dynamics simulations

LM Pietrek, LS Stelzl, G Hummer - Journal of chemical theory and …, 2019 - ACS Publications
Intrinsically disordered proteins (IDPs) constitute a large fraction of the human proteome and
are critical in the regulation of cellular processes. A detailed understanding of the …

[HTML][HTML] Refining conformational ensembles of flexible proteins against small-angle x-ray scattering data

F Pesce, K Lindorff-Larsen - Biophysical journal, 2021 - cell.com
Intrinsically disordered proteins and flexible regions in multidomain proteins display
substantial conformational heterogeneity. Characterizing the conformational ensembles of …

Multi-site-specific isotopic labeling accelerates high-resolution structural investigations of pathogenic huntingtin exon-1

CA Elena-Real, A Urbanek, XL Lund, A Morató… - Structure, 2023 - cell.com
Huntington's disease neurodegeneration occurs when the number of consecutive
glutamines in the huntingtin exon-1 (HTTExon1) exceeds a pathological threshold of 35. The …